. >> this is old jim sim's place. huh. is there room? it's like a doll's house. >> it's got a spare room. it's quite small, but you can have my room while you're here. >> oh, one spare room. hmm. well, we're here now. >> is everything all right, mom? >> mm-hmm. >> dinner at the portwenn hotel, hmm? 6:45. [girls laughing] >> what you reckon, girls? [christopher chuckles] >> hey, hey. >> whoo! >> i like that. [knock on door] >> come in. >> maureen tacey. works at the school. she's a bit tearful. lived with her mom all her life, [indistinct]. probably prefer a female doctor. here you go, maureen. ok? >> thanks, paul. >> come in, sit down. so? >> i think it could be me thyroid. >> and what makes you say that? >> my mum's got thyroid. i've got the symptoms. i get tired easily. >> you're overweight. >> i just can't shift it. >> well, let's get you on the scales. >> i'd rather not. >> oh. um--have you thought about your diet? >> i've tried atkins, g.i., the zone, south beach, and the cabbage. i've been on more diets than anyone i know. >> which